brotherly rivalry

in the demon realm of the seven deadly sins universe derieri had two young sons Dante (you) and your brother Vergil during the day you guys were supposed to get your demonic weapons Vergil got the Yamato the legendary demonic katana while you were interested in the demonic greatsword Sparta the one is ever been able to lift it and those who have tried have gone crazy from the curse and those are strong will can will the sword but despite your mother's warnings you still pick up the sword without any problems you and your brother after 5 years were known as one of the two strongest demons besides from the demon king and meliodas on the Day meliodas's betrayal he asks you to come with him but your brother begs you to stay and so does your mother (everyone from the DMC games and seven deadly sins show are added)